3v4l.org

run code in 300+ PHP versions simultaneously
<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('m/d/Y', $date1); $second = DateTime::createFromFormat('m/d/Y', $date2); return floor($first->diff($second)->days/7) + 1; } var_dump(datediffInWeeks('11/11/2016', '11/13/2016'));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.00716.63
8.3.50.0120.00618.00
8.3.40.0090.00618.96
8.3.30.0110.00418.82
8.3.20.0080.00020.52
8.3.10.0040.00422.08
8.3.00.0030.00520.90
8.2.180.0120.00316.63
8.2.170.0110.00422.96
8.2.160.0070.01020.52
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0050.00320.07
8.2.110.0070.00322.19
8.2.100.0120.00418.03
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0000.00817.88
8.2.60.0000.00818.05
8.2.50.0040.00418.10
8.2.40.0000.00820.39
8.2.30.0070.00019.35
8.2.20.0050.00318.11
8.2.10.0040.00418.20
8.2.00.0000.01018.05
8.1.280.0090.00925.92
8.1.270.0040.00422.13
8.1.260.0030.00626.35
8.1.250.0050.00328.09
8.1.240.0030.00621.02
8.1.230.0080.00319.22
8.1.220.0060.00317.88
8.1.210.0030.00518.77
8.1.200.0060.00317.48
8.1.190.0040.00417.38
8.1.180.0000.00818.10
8.1.170.0030.00518.96
8.1.160.0090.00019.02
8.1.150.0000.00720.32
8.1.140.0000.00719.69
8.1.130.0000.00717.77
8.1.120.0070.00417.57
8.1.110.0040.00417.54
8.1.100.0000.00717.53
8.1.90.0080.00017.68
8.1.80.0050.00217.52
8.1.70.0020.00517.63
8.1.60.0000.00817.62
8.1.50.0000.00817.67
8.1.40.0030.00517.71
8.1.30.0080.00017.81
8.1.20.0000.00817.77
8.1.10.0070.00017.58
8.1.00.0040.00417.66
8.0.300.0030.00621.95
8.0.290.0040.00416.88
8.0.280.0000.00718.57
8.0.270.0070.00017.30
8.0.260.0060.00017.39
8.0.250.0000.00717.16
8.0.240.0030.00317.08
8.0.230.0000.00817.21
8.0.220.0030.00317.20
8.0.210.0000.00717.11
8.0.200.0000.00717.21
8.0.190.0000.00717.28
8.0.180.0000.00717.22
8.0.170.0000.00717.09
8.0.160.0000.00717.24
8.0.150.0030.00317.09
8.0.140.0040.00417.05
8.0.130.0050.00013.50
8.0.120.0060.00317.13
8.0.110.0000.00716.99
8.0.100.0040.00417.14
8.0.90.0030.00617.22
8.0.80.0090.00617.15
8.0.70.0080.00016.99
8.0.60.0000.00817.25
8.0.50.0040.00417.22
8.0.30.0130.00517.19
8.0.20.0100.01017.40
8.0.10.0000.00717.14
8.0.00.0030.01416.98
7.4.330.0050.00015.55
7.4.320.0060.00016.66
7.4.300.0000.00716.77
7.4.290.0060.00316.73
7.4.280.0040.00416.78
7.4.270.0070.00016.79
7.4.260.0030.00316.53
7.4.250.0040.00416.61
7.4.240.0000.00716.77
7.4.230.0030.00316.82
7.4.220.0040.01316.70
7.4.210.0110.00516.70
7.4.200.0000.00816.52
7.4.160.0050.01116.70
7.4.150.0030.02017.40
7.4.140.0100.01117.86
7.4.130.0040.01316.63
7.4.120.0090.00816.73
7.4.110.0060.01216.73
7.4.100.0120.00416.75
7.4.90.0130.00716.81
7.4.80.0070.01019.39
7.4.70.0100.00716.64
7.4.60.0130.00316.56
7.4.50.0110.00416.86
7.4.40.0120.00616.84
7.4.30.0080.00816.69
7.4.10.0000.01414.75
7.4.00.0070.00815.14
7.3.330.0060.00013.27
7.3.320.0000.00613.39
7.3.310.0030.00316.34
7.3.300.0000.00716.40
7.3.290.0090.00816.41
7.3.280.0080.00716.42
7.3.270.0130.00617.40
7.3.260.0090.01216.71
7.3.250.0070.01016.62
7.3.240.0100.01116.58
7.3.230.0150.00316.55
7.3.210.0100.00616.63
7.3.200.0120.00816.77
7.3.190.0060.01116.49
7.3.180.0120.00616.73
7.3.170.0060.01316.76
7.3.160.0100.00716.66
7.3.130.0070.01014.83
7.3.120.0070.01015.06
7.3.110.0090.00315.20
7.3.100.0030.01115.04
7.3.90.0120.00314.91
7.3.80.0000.00814.91
7.3.70.0060.00615.09
7.3.60.0070.00714.55
7.3.50.0070.00714.70
7.3.40.0060.00314.73
7.3.30.0030.00614.87
7.3.20.0030.01016.50
7.3.10.0060.00616.41
7.3.00.0030.01316.78
7.2.330.0120.00616.90
7.2.320.0150.00316.62
7.2.310.0030.01416.84
7.2.300.0140.01117.05
7.2.290.0030.01317.04
7.2.260.0070.00715.07
7.2.250.0030.01415.32
7.2.240.0060.00915.15
7.2.230.0040.01115.14
7.2.220.0060.00915.11
7.2.210.0030.00914.90
7.2.200.0060.00614.82
7.2.190.0030.01014.91
7.2.180.0000.00914.93
7.2.170.0090.00314.93
7.2.160.0060.00915.31
7.2.150.0100.00317.03
7.2.140.0060.00916.87
7.2.130.0070.00716.84
7.2.120.0030.01316.63
7.2.110.0060.00917.08
7.2.100.0120.00616.63
7.2.90.0030.01017.15
7.2.80.0060.00316.75
7.2.70.0040.01116.99
7.2.60.0070.00716.78
7.2.50.0030.00616.86
7.2.40.0120.00317.03
7.2.30.0090.00016.96
7.2.20.0080.00417.05
7.2.10.0090.00316.82
7.2.00.0030.00818.14
7.1.330.0040.00715.66
7.1.320.0090.00615.72
7.1.310.0060.00615.93
7.1.300.0110.00415.91
7.1.290.0000.01216.05
7.1.280.0040.00816.06
7.1.270.0000.00815.59
7.1.260.0040.01116.05
7.1.250.0040.00815.75
7.1.240.0060.00915.79
7.1.230.0030.01216.00
7.1.220.0060.00915.93
7.1.210.0040.00816.02
7.1.200.0070.00715.98
7.1.190.0040.01115.79
7.1.180.0110.00415.70
7.1.170.0000.01215.70
7.1.160.0060.00916.05
7.1.150.0030.00515.77
7.1.140.0030.00515.85
7.1.130.0030.00915.89
7.1.120.0030.00615.76
7.1.110.0000.00915.91
7.1.100.0040.00816.14
7.1.90.0090.00016.04
7.1.80.0070.00315.96
7.1.70.0080.00516.69
7.1.60.0050.00816.58
7.1.50.0090.00315.66
7.1.40.0030.01015.85
7.1.30.0040.00816.05
7.1.20.0040.01115.80
7.1.10.0030.01015.81
7.1.00.0030.04419.09
7.0.330.0040.00815.19
7.0.320.0140.00015.42
7.0.310.0030.01015.62
7.0.300.0060.00315.36
7.0.290.0040.00815.60
7.0.280.0050.00515.58
7.0.270.0040.00815.57
7.0.260.0100.00315.53
7.0.250.0000.01315.59
7.0.240.0030.01015.54
7.0.230.0040.00715.20
7.0.220.0040.00815.33
7.0.210.0030.00915.20
7.0.200.0120.00815.27
7.0.190.0100.00315.63
7.0.180.0070.00715.42
7.0.170.0090.00615.50
7.0.160.0100.00315.09
7.0.150.0060.00615.38
7.0.140.0060.00315.46
7.0.130.0080.03218.65
7.0.120.0050.03418.83
7.0.110.0100.03018.83
7.0.100.0050.03518.79
7.0.90.0110.03418.75
7.0.80.0080.03218.71
7.0.70.0030.03518.82
7.0.60.0080.02918.71
7.0.50.0070.03418.79
7.0.40.0080.04317.83
7.0.30.0070.03017.82
7.0.20.0090.03017.84
7.0.10.0050.03317.82
7.0.00.0080.02817.74
5.6.400.0030.01014.52
5.6.390.0060.00614.46
5.6.380.0090.00314.34
5.6.370.0060.00914.37
5.6.360.0070.00714.55
5.6.350.0060.00314.05
5.6.340.0000.01214.70
5.6.330.0030.00714.55
5.6.320.0130.00014.51
5.6.310.0100.00714.55
5.6.300.0080.00414.61
5.6.290.0060.00614.44
5.6.280.0080.03717.85
5.6.270.0090.03817.77
5.6.260.0090.03217.69
5.6.250.0070.03417.75
5.6.240.0080.03317.79
5.6.230.0030.03817.74
5.6.220.0070.03417.65
5.6.210.0030.03717.81
5.6.200.0080.03017.66
5.6.190.0110.02717.65
5.6.180.0070.03317.73
5.6.170.0010.03617.69
5.6.160.0100.03017.62
5.6.150.0050.03517.56
5.6.140.0070.03417.66
5.6.130.0080.03117.54
5.6.120.0080.03517.72
5.6.110.0090.03017.78
5.6.100.0090.02917.71
5.6.90.0080.03217.48
5.6.80.0060.03117.48
5.6.70.0050.03417.18
5.6.60.0060.03517.27
5.6.50.0060.03117.50
5.6.40.0170.02317.25
5.6.30.0050.03717.35
5.6.20.0080.03317.29
5.6.10.0050.03517.28
5.6.00.0070.03617.41

preferences:
63.41 ms | 401 KiB | 5 Q